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30031032313 is a prime number
BaseRepresentation
bin11011111101111111…
…010010111111111001
32212111220200111201001
4123331333102333321
5443000421013223
621443541125001
72112124364032
oct337577227771
985456614631
1030031032313
111181080a077
1259a13b9761
132aa793bc09
14164c605a89
15bab7089ad
hex6fdfd2ff9

30031032313 has 2 divisors, whose sum is σ = 30031032314. Its totient is φ = 30031032312.

The previous prime is 30031032301. The next prime is 30031032319. The reversal of 30031032313 is 31323013003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27149811984 + 2881220329 = 164772^2 + 53677^2 .

It is a cyclic number.

It is not a de Polignac number, because 30031032313 - 229 = 29494161401 is a prime.

It is not a weakly prime, because it can be changed into another prime (30031032319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015516156 + 15015516157.

It is an arithmetic number, because the mean of its divisors is an integer number (15015516157).

Almost surely, 230031032313 is an apocalyptic number.

It is an amenable number.

30031032313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031032313 is an equidigital number, since it uses as much as digits as its factorization.

30031032313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30031032313 its reverse (31323013003), we get a palindrome (61354045316).

The spelling of 30031032313 in words is "thirty billion, thirty-one million, thirty-two thousand, three hundred thirteen".